Benecia Class Sloop (1868)

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Four Benecia class screw sloops were completed for the U.S. Navy between 1869 and 1872.

Overview of four vessels
Citations for this data available on individual ship pages
Name Builder Laid Down Launched Commissioned Fate
Benecia Portsmouth NYd May 1867 18 Aug, 1868 1 Dec, 1869 Sold 3 May, 1884
Alaska Boston NYd 1867 31 Oct, 1868 7 Dec, 1869 Sold 20 Nov, 1883
Plymouth New York NYd 27 Jun, 1867 8 Aug, 1868 20 Jan, 1869 Broken up 1884
Omaha Philadelphia NYd 1867 10 Jun, 1869 12 Sep, 1872 Sold 17 Apr, 1915

Design & Construction

Designed to replace larger ships in service using Isherwood-designed machinery ordered for the cancelled 1864 Algoma class. It was expected they would be useful for peacetime foreign service duties, "performing with greater economy all the services that could be rendered by larger vessels" according to the Chief of the Bureau of Construction and Repair.[1]



See individual articles.

See Also


  1. Bauer and Roberts. Register of Ships. p. 70.


  • Bauer, K. Jack and Roberts, Stephen S. (1991). Register of Ships of the U.S. Navy, 1775-1990: Major Combatants. New York: Greenwood Press.
  • Chesneau, Robert; Kolesnik, Eugene (editors) (1979). Conway's All the World's Fighting Ships 1860–1905. London: Conway Maritime Press. (on and
  • Silverstone, Paul H. (2006). The U.S. Navy Warship Series: Civil War Navies, 1855-1883. New York: Routledge.
  • Silverstone, Paul H. (2006). The U.S. Navy Warship Series: The New Navy 1883-1922. New York: Routledge.

Benecia Class Screw Sloops
  Benecia Alaska Plymouth Omaha